Question

How to create and initialize a 2d array of characters with different row lengths in JavaScript

Answer 1

// Initialize a 2D array with different row lengths
const charArray2D = [
    ['J', 'a', 'v', 'a', 'S', 'c', 'r', 'i', 'p', 't'],
    ['p', 'r', 'o', 'g', 'r', 'a', 'm', 'm', 'i', 'n', 'g'],
    ['l', 'a', 'n', 'g', 'u', 'a', 'g', 'e']
];

charArray2D.forEach(row => {
    row.forEach(char => {
        process.stdout.write(char + " ");
    });
    console.log();
});



/*
run:

J a v a S c r i p t 
p r o g r a m m i n g 
l a n g u a g e 

*/

 

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Answer 2

// Initialize a 2D array with different row lengths
const charArray2D = [
    ['J', 'a', 'v', 'a', 'S', 'c', 'r', 'i', 'p', 't'],
    ['p', 'r', 'o', 'g', 'r', 'a', 'm', 'm', 'i', 'n', 'g'],
    ['l', 'a', 'n', 'g', 'u', 'a', 'g', 'e']
];

// Iterate over each row
charArray2D.forEach(row => {
    // Convert the row to a string
    console.log(row.join(''));
});



/*
run:

JavaScript
programming
language

*/

 

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